Modern IDE software fails to interpret such variables correctly, regular find/replace also fails. Below example contains PHP script to get a single or multiple selected values from given HTML select tag. // select all users So far you have learnt how to create database and table as well as inserting data. That is, one variable contains the name of another variable. You could read it from the database, store it in a file, use query string.. Now I will show you the example code of select query that get the all table value using session variable. The PHP variable needs to be defined before the JS one. If you need to help of database connection then click here to know detailed: Database connection in PHP. PHP MySQL SELECT Query. We are covering following operations on select option field using PHP script. Well you would need to save the selected value somehow and use it when opening the page. The feature of variable variable names is welcome, but it should be avoided when possible. Please also check out our previous tutorial on Getting Multiple Checkboxes Values in PHP. If there are no variables going to be used in the query, we can use a conventional query() method instead of prepare and execute. The WHERE clause is used to extract only those records that fulfill a specified condition. Example: SELECT LOWER(SUBSTRING([NAME], 4, 100)) + '@somedomain.com' as Stack Exchange Network Stack Exchange network consists of 176 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to … The … In this tutorial you'll learn how to select records from a MySQL table using PHP. PHP MySQL WHERE Clause. Just make sure you've got a properly configured PDO connection variable that needs in order to run SQL queries with PDO and to inform you of the possible errors. This tutorial explains to you how to get single and multiple selected values from the select option or select dropdown list in PHP 7. It's a kind of magic :) This may really make it hard to refactor code. HTML select tag allows user to choose one or more options from the given drop down list. In this tutorial you will learn how to select the records from a MySQL database table based on specific conditions using PHP. Filtering the Records. Create Select […] SELECT query without parameters. 2. Selecting Data From Database Tables. Now it's time to retrieve data what have inserted in the preceding tutorial. By Steve Suehring, Janet Valade . fills in the select values based on the form name and the tag name and adds code to check if the object variable matches them. If flexyignore is used, it is left alone. PHP allows you to use dynamic variable names, called variable variables. 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